1021004201 has 8 divisors (see below), whose sum is σ = 1217595264. Its totient is φ = 837096480.

The previous prime is 1021004183. The next prime is 1021004209. The reversal of 1021004201 is 1024001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021004201 - 2¹⁴ = 1020987817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021004209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170660 + ... + 3170981.

It is an arithmetic number, because the mean of its divisors is an integer number (152199408).

Almost surely, 2^1021004201 is an apocalyptic number.

It is an amenable number.

1021004201 is a deficient number, since it is larger than the sum of its proper divisors (196591063).

1021004201 is an equidigital number, since it uses as much as digits as its factorization.

1021004201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341671.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1021004201 is about 31953.1563542633. The cubic root of 1021004201 is about 1006.9529448482.

Adding to 1021004201 its reverse (1024001201), we get a palindrome (2045005402).

The spelling of 1021004201 in words is "one billion, twenty-one million, four thousand, two hundred one".